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SpaceX’s Mega IPO Plan Triggers Index Rule Shift

Fast entry to major indexes could force large passive buying despite a tiny float.

Overview

  • SpaceX has confidentially filed for a possible June IPO targeting about $75 billion at roughly a $1.75 trillion valuation, with reports pointing to an unusually large 20%–30% retail allocation and a small public float, while prediction markets price roughly low‑70% odds of a June listing.
  • Nasdaq changed its inclusion rules to allow new mega listings into major indexes after 15 trading days and to boost the index weight of very low‑float stocks, a setup that could pull in significant buying from passive funds and increase early price swings.
  • Underwriters are discussing shorter or staggered lock‑ups in place of the typical 180 days, a shift that could let some insiders sell sooner and drip more shares into the market during the first months of trading.
  • The U.S. Space Force selected SpaceX among 12 firms for contracts worth up to $3.2 billion to develop space‑based interceptor prototypes, adding a potential new government revenue line ahead of the listing.
  • Recent reports show SpaceX’s 2025 revenue growth slowed to about 18% and losses neared $5 billion due to heavy AI spending after absorbing xAI, a near‑term financial drag the company is balancing with a pitch built on space infrastructure and an AI growth story.